| Fits Austin Air models HM-400 HealthMate, HM-400 HealthMate Plus SuperBlend, Allergy Machine.
- The pre-filter in Austin air purifiers is the first stage of the air filtration system. It traps large dust and dirt particles, thus protects fine true HEPA filter from contamination and prolongs its lifetime.
- The pre-filter can be vacuumed from the outside of the unit through the grill.
- To vacuum it directly the main filter has to be taken off the unit.
- The pre-filter has to be replaced with new one when gets very dirty or ruined. The average lifetime of the pre-filter in Austin air purifiers - one year.
Shipping Weight: 1.00 lbs.
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